PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1-20A C
1-20A C ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY TUBING, design_form: STRAIGHT, overall_length: 20.000 INCHES NOMINAL IN, wall_thickness: 0.030 INCHES NOMINAL IN, mating_end_quantity: 1 SECOND END, end_connection_style: UNTHREADED EXTERNAL SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7522, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1-20A C
NSN: 3110-00-156-7522
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY TUBING
design_formSTRAIGHT
overall_length20.000 INCHES NOMINAL IN
wall_thickness0.030 INCHES NOMINAL IN
mating_end_quantity1 SECOND END
end_connection_styleUNTHREADED EXTERNAL SECOND END
tube_outside_diameter0.375 INCHES NOMINAL IN
NSN3110-00-156-7522
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1-20A C · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
MATERIAL: STEEL BALL
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ANGLE25.0 DEGREES MINIMUM
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL BALL
MATERIALSTEEL OUTER RING
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL INNER RING
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
250049Interchangeable
interchangeable cross-reference
interchangeable
0211594-7Interchangeable
interchangeable cross-reference
interchangeable
026-4722Interchangeable
interchangeable cross-reference
interchangeable
B-33Interchangeable
interchangeable cross-reference
interchangeable
252Interchangeable
interchangeable cross-reference
interchangeable
30204Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-20A C?
1-20A C is a BEARING,BALL,ANNULAR.
What parts can replace 1-20A C?
There are 29 known substitutes for 1-20A C: 250049, 0211594-7, 026-4722 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-20A C?
1-20A C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7522. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026